definisi
taconite punika biji wesi kurang-bahan kang belongs kanggo sedimen rock lan ngemot bab 27% wesi lan 51% silika
coal iku combustible-ireng coklat ireng utawa sedimentary rock biasane kedadean ing parang tingkat ing lapisan sing disebut kasur coal
asal
western australia, Minnesota
usa
panemu
Newton Horace Winchell
john peter Salley
Etimologi
saka jeneng gunung taconic ing england anyar
saka col term english lawas, kang wis temenan Mineral karbon fosil wiwit abad kaping 13
kelas
rocks sedimentary
rocks sedimentary
sub-kelas
awet rock, medium atose rock
awet rock, rock alus
group
ora ditrapake
ora ditrapake
kategori liyane
rock grained coarse, rock opaque
rock grained coarse, rock grained nggoleki, medium rock grained, rock opaque